Magnetism and Electromagnetism In the left hand rule, forefinger always represents Voltage current direction of force on the conductor magnetic field Voltage current direction of force on the conductor magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 187 At 30 At 18.75 At 300 At 187 At 30 At 18.75 At 300 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The initial permeability of an iron rod is The permeability at the end of the iron rod The permeability almost in non-magnetised state The highest permeability of the iron rod The lowest permeability of the iron rod The permeability at the end of the iron rod The permeability almost in non-magnetised state The highest permeability of the iron rod The lowest permeability of the iron rod ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The force between two long parallel conductors is inversely proportional to Distance between the conductors Product of current in two conductors Current in one conductor Radius of conductor Distance between the conductors Product of current in two conductors Current in one conductor Radius of conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The main constituent of permalloy is Nickel Tungsten Cobalt Chromium Nickel Tungsten Cobalt Chromium ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permanent magnet Attracts only ferromagnetic substances Attracts some substances and repels others Attracts ferromagnetic substances and repels all others Attracts all paramagnetic substances and repels others Attracts only ferromagnetic substances Attracts some substances and repels others Attracts ferromagnetic substances and repels all others Attracts all paramagnetic substances and repels others ANSWER DOWNLOAD EXAMIANS APP
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